/*
 *  SableJBDD, a Java Binary Decision Diagram package.
 *  Copyright (C) 2004  Feng Qian
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
//$Id: DummyNodePool.java,v 1.3 2004/03/15 02:07:02 fqian Exp $
package SableJBDD.bdd.internal;

import SableJBDD.bdd.*;
import java.io.PrintStream;

/**
 * A dummy node pool doesn't nothing.
 * 
 * @author Feng Qian
 */
public class DummyNodePool implements BddNodeFactory{
  public JBddNode getFreshNode(JBddVariable var, JBddNode low, JBddNode high) {
    return new JBddInternalNode(var, low, high);
  }

  public void reportStatistics(PrintStream out) {
  }
}
